An observer is located on the ground, 3 miles from a balloon that is ready to fly. The balloontakes off, and rises vertically at a speed of 4 mi/hr.  a) At what rate is the distance between the observer and the balloon increasing two hoursafter the balloon takes off? b) At what rate is the distance between the observer and the balloon increasing two hoursafter the balloon takes off?

Q: "A Kite 65 feet above the ground moves horizontally at a speed of 6 ft/s. At what rate is the angle…

A: Given a kite 65 feet above the ground moves horizontally at a speed of 6 ft/s.

Q: A stone is thrown straight up from the edge of a roof, 950 feet above the ground, at a speed of 10…

A: Here a stone is thrown straight up from the edge of a roof, 950 feet above the ground, at a speed of…

Q: 9) Two cars are moving from the same point. One travels north at 45 mph and the other travels east…

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.